One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,9)(3,4,12,8)(5,10,16,14)(6,13,15,11)(17,18)(19,24)(20,25)(21,28)(22,23)(26,32)(27,30)(29,31)(33,34)(35,44)(36,42)(37,38)(39,41)(40,43)(45,47)(46,48)(1,3,7,12)(2,8,9,4)(5,15,16,6)(10,13,14,11)(17,18)(19,24)(20,29)(21,26)(22,23)(25,31)(27,30)(28,32)(33,35,40,39)(34,41,43,44)(36,45,37,46)(38,47,42,48)(2,9)(4,8)(10,14)(11,13)(18,23)(19,27)(25,29)(26,28)(33,36,40,37)(34,42,43,38)(35,45,39,46)(41,48,44,47)(1,4)(2,3)(5,11)(6,14)(7,8)(9,12)(10,15)(13,16)(17,19,22,27)(18,24,23,30)(20,26,31,28)(21,25,32,29)(33,37,40,36)(34,42,43,38)(35,46,39,45)(41,48,44,47)(1,5,7,16)(2,10,9,14)(3,6,12,15)(4,13,8,11)(17,20)(18,25)(19,28)(21,24)(22,31)(23,29)(26,27)(30,32)(33,38,40,42)(34,37,43,36)(35,47,39,48)(41,46,44,45)(1,6)(2,11)(3,5)(4,14)(7,15)(8,10)(9,13)(12,16)(17,21)(18,26)(19,25)(20,30)(22,32)(23,28)(24,31)(27,29)(33,39,40,35)(34,41,43,44)(36,46,37,45)(38,47,42,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.